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Structural Changes in Bacteriorhodopsin in Response to Alternate Illumination Observed by High‐Speed Atomic Force Microscopy
Author(s) -
Shibata Mikihiro,
Uchihashi Takayuki,
Yamashita Hayato,
Kandori Hideki,
Ando Toshio
Publication year - 2011
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201007544
Subject(s) - bacteriorhodopsin , trimer , microscopy , atomic force microscopy , blue light , photochromism , nanotechnology , optics , chemistry , optoelectronics , computer science , materials science , physics , nuclear magnetic resonance , membrane , biochemistry , dimer
Blue light, green light : High‐speed atomic force microscopy visualized light‐induced structural changes of the D96N bacteriorhodopsin (bR) mutant under alternate two‐color illumination. With green light, each bR molecule is displaced outward from the trimer center. This activated structure is driven back to the ground state by the subsequent blue‐light illumination (see picture).